State profile · Below national median SD

Indiana bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Indiana — drawn straight from the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition
4.9%
Structurally deficient

Total Bridges

18,630

Public highway bridges in Indiana

Good Condition

36.1%

6,733 bridges rated 7-9

-13.9pp vs 50% benchmark

Poor Condition

4.9%

920 bridges rated 0-4

Structurally Deficient

4.9%

920 bridges flagged for repair priority

-2.1pp vs national avg 7.0%

Indiana vs national bridge condition

Indiana — Good condition share 36.1%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Indiana — Structurally deficient share 16.5%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Indiana vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Indiana on the same metric.

05

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

53

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

18

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

20

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

56

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

Bridges Needing Most Attention in Indiana

Six lowest-condition bridges in Indiana, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Indiana

RHORER ROAD

Good

Over: JACKSON CREEK

00.80 E WALNUT STREET, Monroe, IN

Built 2001 Load: 32.7 t ADT: 3,429

MOORES CREEK ROAD

Good

Over: MOORE CREEK

00.60 NW OF SWARTZ ROAD, Monroe, IN

Built 2000 Load: 32.7 t ADT: 411

EARL YOUNG ROAD

Good

Over: MUDDY FORK

00.90 N SR 45, Monroe, IN

Built 1995 Load: 32.7 t ADT: 1,084

BUSKIRK ROAD

Good

Over: BRANCH INDIAN CREEK

00.06 S FRY ROAD, Monroe, IN

Built 2000 Load: 32.7 t ADT: 186

LOESCH ROAD

Good

Over: JACKS DEFEAT CREEK

00.20 S WOODYARD RD, Monroe, IN

Built 1979 Load: 32.7 t ADT: 958

ROCKPORT ROAD

Good

Over: BRANCH CLEAR CREEK

00.25 S MAY ROAD, Monroe, IN

Built 1987 Load: 32.7 t ADT: 310

HARMONY ROAD

Good

Over: BRANCH OF INDIAN CREEK

00.12 N OF KIRKSVILLE ROA, Monroe, IN

Built 2002 Load: 32.7 t ADT: 395

EVANS ROAD

Good

Over: BRANCH INDIAN CREEK

00.45 W HARMONY ROAD, Monroe, IN

Built 2002 Load: 32.7 t ADT: 395

NORTH DUNN STREET

Good

Over: GRIFFY CREEK

.1 MILE S. OF OLD S.R. 37, Monroe, IN

Built 2009 Load: 32.7 t ADT: 206

US 231

Good

Over: STODDARD DITCH

03.04 S SR 28, Montgomery, IN

Built 2003 Load: 32.7 t ADT: 9,093

SR 234

Good

Over: LOST CREEK

01.07 W US 231, Montgomery, IN

Built 2019 Load: 32.7 t ADT: 891

US 231

Good

Over: BR OFFIELD CREEK

04.56 N SR 234, Montgomery, IN

Built 2014 Load: 32.7 t ADT: 7,470

SR 47

Good

Over: BRANCH OF OFFIELD CREEK

01.68 S SR 32, Montgomery, IN

Built 2006 Load: 32.7 t ADT: 5,964

CR 565E

Good

Over: LYE CREEK

00.10 S of CR 900 N, Montgomery, IN

Built 1980 Load: 32.7 t ADT: 60

CR 800N

Good

Over: LYE CREEK

00.50 W of CR 575 E, Montgomery, IN

Built 1987 Load: 32.7 t ADT: 60

CR 400N

Good

Over: WEST FORK OF BLACK CREEK

00.50 E of CR 275 W, Montgomery, IN

Built 1997 Load: 32.7 t ADT: 410

CR 800E

Good

Over: LITTLE POTATO CREEK

00.50 S of CR 900 N, Montgomery, IN

Built 1991 Load: 32.7 t ADT: 130

CR 900N

Good

Over: LITTLE POTATO CREEK

00.30 W of CR 100 E, Montgomery, IN

Built 1987 Load: 32.7 t ADT: 130

CR 150N

Good

Over: BRANCH OF SUGAR CREEK

00.50 E of CR 800 E, Montgomery, IN

Built 1983 Load: 32.7 t ADT: 130

CR 100S

Good

Over: BRANCH OF WALNUT CREEK

00.10 W of CR 600 E, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 100

CR 300S

Good

Over: WALNUT CREEK

00.50 E of CR 775 E, Montgomery, IN

Built 1989 Load: 32.7 t ADT: 130

CR 400W

Good

Over: BRANCH OF SUGAR CREEK

00.10 S of US 136, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 500

CR 400W

Good

Over: BRANCH OF SUGAR CREEK

01.00 S of US 136, Montgomery, IN

Built 1997 Load: 32.7 t ADT: 425

WABASH AVE, ITR

Good

Over: DRY BRANCH CREEK

01.30 W WASHINGTON ST, Montgomery, IN

Built 2007 Load: 32.7 t ADT: 4,950

JENNISON ST

Good

Over: DRY BRANCH CREEK

00.50 W RUSSELL, Montgomery, IN

Built 1989 Load: 32.7 t ADT: 1,190

CR 100N

Good

Over: MILL CREEK

00.50 W of CR 550 W, Montgomery, IN

Built 1982 Load: 32.7 t ADT: 130

CR 950W

Good

Over: BRANCH OF COAL CREEK

00.70 S of US 136, Montgomery, IN

Built 2002 Load: 32.7 t ADT: 60

CR 1025E

Good

Over: WALNUT CREEK

00.20 N of CR 200 S, Montgomery, IN

Built 1988 Load: 32.7 t ADT: 100

CR 975E

Good

Over: LITTLE CREEK

00.20 S of SR 32, Montgomery, IN

Built 1985 Load: 32.7 t ADT: 100

CR 775E

Good

Over: WALNUT CREEK

00.20 N of US 136, Montgomery, IN

Built 2001 Load: 32.7 t ADT: 130

CR 550E

Good

Over: BRANCH OF WALNUT CREEK

00.40 N of US 136, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 100

CR 1100S

Good

Over: BRANCH OF HAW CREEK

00.60 E of CR 550 E, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 250

CR 50S

Good

Over: WALNUT CREEK

00.10 NE of US 136, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 260

CR 775E

Good

Over: BIG RACCOON CREEK

00.20 N of CR 700 S, Montgomery, IN

Built 1978 Load: 32.7 t ADT: 130

CR 1200S

Good

Over: LICK CREEK

00.40 W of CR 550E, Montgomery, IN

Built 1981 Load: 32.7 t ADT: 60

CR 1100S

Good

Over: HAW CREEK

00.20 W of CR 550E, Montgomery, IN

Built 1930 Load: 32.7 t ADT: 60

CR 1100S

Good

Over: HAW CREEK

00.30 W CR 550E, Montgomery, IN

Built 1930 Load: 32.7 t ADT: 60

CR 375E

Good

Over: HAW CREEK

00.30 S of CR 1100S, Montgomery, IN

Built 1999 Load: 32.7 t ADT: 70

CR 650W

Good

Over: BRANCH OF INDIAN CREEK

00.60 N of CR 800 S, Montgomery, IN

Built 1992 Load: 32.7 t ADT: 60

INDIAN CREEK RD

Good

Over: INDIAN CREEK

00.30 N of SR 234, Montgomery, IN

Built 1989 Load: 32.7 t ADT: 130

CR 475W

Good

Over: INDIAN CREEK

00.50 N of SR 234, Montgomery, IN

Built 2000 Load: 32.7 t ADT: 60

CR 475S

Good

Over: STONEBRAKER BRANCH

00.50 W of CR 600 W, Montgomery, IN

Built 2003 Load: 32.7 t ADT: 20

CR 950 E

Good

Over: BRANCH OF BIG RACCOON CR

00.60 N of CR 700 S, Montgomery, IN

Built 2004 Load: 32.7 t ADT: 260

CHESTNUT ST

Good

Over: DRY BRANCH CREEK

00.00 Int of WALLACE Ave, Montgomery, IN

Built 2005 Load: 32.7 t ADT: 3,310

JOHN ST

Good

Over: DRY BRANCH CREEK

00.10 N CHESTNUT St, Montgomery, IN

Built 1988 Load: 32.7 t ADT: 130

VINE ST

Good

Over: COAL CREEK

00.10 N of US 136, Montgomery, IN

Built 1972 Load: 32.7 t ADT: 660

BLACK CR VALLEY RD

Good

Over: BRANCH OF SUGAR CREEK

00.50 E of CR 400 W, Montgomery, IN

Built 2006 Load: 32.7 t ADT: 200

LAFAYETTE AVE

Good

Over: SUGAR CREEK

00.30 N of COVINGTON, Montgomery, IN

Built 1925 Load: 32.7 t ADT: 7,160

CHESTNUT ST

Good

Over: DRY BRANCH CREEK

00.10 E of JOHN St, Montgomery, IN

Built 1988 Load: 32.7 t ADT: 1,590

CR 875E

Good

Over: BRANCH OF SUGAR CREEK

00.10 N of CR 15 N, Montgomery, IN

Built 1998 Load: 32.7 t ADT: 100

Showing 13,351-13,400 of 18,630 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.